Cinnamomum verum (bark)

From AHPA Botanical Identity References Compendium
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             | flavor=Sweet, pungent, slightly astringent.
 
             | flavor=Sweet, pungent, slightly astringent.
 
             | scent=Delicately fragrant and aromatic.}}
 
             | scent=Delicately fragrant and aromatic.}}
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{{Macroscopy | source=Culbreth, D. (1917) A Manual of Materia Media and Pharmacology, 6th ed.
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|description= 
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            | flavor=Sweetish, warmly aromatic.
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            | scent=Agreeably aromatic.}}
 
|}
 
|}
 
=Macroscopic Characteristics=
 
=Macroscopic Characteristics=
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{{Macroscopy | source=Culbreth, D. (1917) A Manual of Materia Media and Pharmacology, 6th ed.
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| description='''Plants:''' Handsome evergreen trees, 6-9 M. (20-30°) high, truck .3-.5 M. (12-18') thick, young twigs slightly quadrangular; leaves coriaceous, 3-5-nerved, but only midrib reaches apex, bright glossy-green above, glaucous beneath, 10-20 Cm. (4-8') long; flowers Jan.-March, small, hermaphrodite or polygamous, fleshy, black, ovoid, size of small olive, adhering, like acorn, to cup-shaped perianth.
  
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'''Bark:''' (''C. zeylanicum''): ''Ceylon'' [Syn. ''Cinnamomum (acutum) verum''], in closely rolled double quills of 7-12 thin layers of separate pieces of bark, 30-50 Cm. (12-20') long, 8-13 Mm. (1/3-1/2') broad, bark 1 Mm. (1/25') thick, pale yellowish-brown, smooth, longitudinally striate with narrow groups of bast-fibres and brownish patches, occasional perforations marking the nodes, inner surface light brown, with faint longitudinal striations; fracture short with projecting bast-fibres.
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=Microscopic Characteristics=
 
=Microscopic Characteristics=
 
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             | adulterants=Adulterations as for Cassia cinnamon; inferior cassia barks, clove bark, flour, inert vegetable substances.
 
             | adulterants=Adulterations as for Cassia cinnamon; inferior cassia barks, clove bark, flour, inert vegetable substances.
 
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{{Microscopy | source=Culbreth, D. (1917) A Manual of Materia Media and Pharmacology, 6th ed.
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| description=Powder, yellowish-brown; microscopically--numerous starch grains, 0.003-.02 Mm. (1/8325-1/1250') broad, colorless stone cells, numerous cellular reddish-brown fragments, calcium oxalate raphides; ''Saigon'' has many cork cells, ''Ceylon'' [Ed-Syn. ''verum'' in text] few or none, while bast-fibres of former are in groups of 2-20, of latter single and fusiform.
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            | adulterants=Bark: 1, ''Cassia'' bark, and a closely resembling bark of unknown derivation, having lighter gray color and coarser structure identified by weak odor and taste; possibly unscraped ''Guava'' bark quills, and clove bark; 2, Scarcely possible in the entire state; Powder: That of either variety not found on the market, all so labeled being cassia, which is subject to endless admixtures--chips, siftings, buds, walnut-shells, oil stone, flour, sand, beans, grains, starch, clove buds--exhausted drug, by percolation, distillation; ash (sometimes) 8-10 p. c.; Oil: That distilled from flowers and roots, phenol, oil of clove, petroleum, colophony, lead.
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{{Media2 |cat=Microscopy | source=Elan M. Sudberg, Alkemist Laboratories
 
{{Media2 |cat=Microscopy | source=Elan M. Sudberg, Alkemist Laboratories

Latest revision as of 16:42, 2 June 2015

AHPA recognizes other valuable resources exist regarding the identity of Cinnamomum verum.

To submit a suggestion or contribution, please contact Merle Zimmermann.

Contents

Nomenclature

Cinnamomum verum J. Presl   Lauraceae  
Standardized common name (English): cinnamon  
Ayurvedic name(s): tvak

Botanical Voucher Specimen

bottomright bottomright bottomright

Cinnamomum verum Tropicos 100003409.jpg
Source: MOBOT, Tropicos.org[1]

Cinnamomum verum AW17807JD1 A0075.jpg
Source: Botanical Voucher Specimen Library, Alkemists Laboratories[2]

Cinnamomum verum Kew imageBarcode=K000350931 44160.jpg
Source: Royal Botanic Gardens, Kew.[3]

Organoleptic Characteristics

  

Color Rather light cinnamon brown (reddish brown). 

Scent Delicately fragrant and aromatic. 

Flavor Sweet, pungent, slightly astringent.

Source: Schneider, A. (1921) The Microanalysis of Powdered Vegetable Drugs, 2nd ed. [4]
  

Scent Agreeably aromatic. 

Flavor Sweetish, warmly aromatic.

Source: Culbreth, D. (1917) A Manual of Materia Media and Pharmacology, 6th ed. [5]

Macroscopic Characteristics

Plants: Handsome evergreen trees, 6-9 M. (20-30°) high, truck .3-.5 M. (12-18') thick, young twigs slightly quadrangular; leaves coriaceous, 3-5-nerved, but only midrib reaches apex, bright glossy-green above, glaucous beneath, 10-20 Cm. (4-8') long; flowers Jan.-March, small, hermaphrodite or polygamous, fleshy, black, ovoid, size of small olive, adhering, like acorn, to cup-shaped perianth.

Bark: (C. zeylanicum): Ceylon [Syn. Cinnamomum (acutum) verum], in closely rolled double quills of 7-12 thin layers of separate pieces of bark, 30-50 Cm. (12-20') long, 8-13 Mm. (1/3-1/2') broad, bark 1 Mm. (1/25') thick, pale yellowish-brown, smooth, longitudinally striate with narrow groups of bast-fibres and brownish patches, occasional perforations marking the nodes, inner surface light brown, with faint longitudinal striations; fracture short with projecting bast-fibres.

Source: Culbreth, D. (1917) A Manual of Materia Media and Pharmacology, 6th ed. [6]
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PlantaPhile - 899.jpg
Source: PlantaPhile[7]

PlantaPhile - 259.jpg
Source: PlantaPhile[8]

Microscopic Characteristics

Histology much like that of Cassia Cinnamon; bast cells are more abundant and the cells of the outer cork wanting; starch less abundant. It is possible to distinguish this cinnamon from the other two by the larger sclerenchyma cells and absence of outer cork and epidermal tissues.

Source: Schneider, A. (1921) The Microanalysis of Powdered Vegetable Drugs, 2nd ed. [9]


Powder, yellowish-brown; microscopically--numerous starch grains, 0.003-.02 Mm. (1/8325-1/1250') broad, colorless stone cells, numerous cellular reddish-brown fragments, calcium oxalate raphides; Saigon has many cork cells, Ceylon [Ed-Syn. verum in text] few or none, while bast-fibres of former are in groups of 2-20, of latter single and fusiform.

Source: Culbreth, D. (1917) A Manual of Materia Media and Pharmacology, 6th ed. [10]


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Cinnamon 1.jpg
Thick walled fiber when observed at 400X with Acidified chloral Hydrate Soln.
Source: Elan M. Sudberg, Alkemist Laboratories[11]

Cinnamon 2.jpg
Large resin cells showing dark red contents observed at 400X with Acidified chloral Hydrate Soln.
Source: Elan M. Sudberg, Alkemist Laboratories[12]

Microanalysis powdered vegetable google ver cinnamon verum.png
Ceylon Cinnamon (powdered bark) (Cinnamomum verum) / (Cinnamomum zeylanicum Nees)
Source: Schneider, A. (1921) The Microanalysis of Powdered Vegetable Drugs, 2nd ed.[13]

Microanalysis powdered vegetable google ver cinnamon cassia.png
Compare to Cinnamon aromaticum.
Source: Schneider, A. (1921) The Microanalysis of Powdered Vegetable Drugs, 2nd ed.[14]

Microanalysis powdered vegetable google ver cinnamon loureiroi.png
Compare to Cinnamon loureiroi.
Source: Schneider, A. (1921) The Microanalysis of Powdered Vegetable Drugs, 2nd ed.[15]

High Performance Thin Layer Chromatographic Identification

Supplementary Information

Sources

  1. ↑ MOBOT, Tropicos.org http://www.tropicos.org/Image/100003409
  2. ↑ Botanical Voucher Specimen Library, Alkemists Laboratories http://www.alkemist.com
  3. ↑ Royal Botanic Gardens, Kew. http://specimens.kew.org/herbarium/K000350931
  4. ↑ Schneider, A. (1921) The Microanalysis of Powdered Vegetable Drugs, 2nd ed.
  5. ↑ Culbreth, D. (1917) A Manual of Materia Media and Pharmacology, 6th ed.
  6. ↑ Culbreth, D. (1917) A Manual of Materia Media and Pharmacology, 6th ed.
  7. ↑ PlantaPhile http://plantaphile.com/
  8. ↑ PlantaPhile http://plantaphile.com/
  9. ↑ Schneider, A. (1921) The Microanalysis of Powdered Vegetable Drugs, 2nd ed.
  10. ↑ Culbreth, D. (1917) A Manual of Materia Media and Pharmacology, 6th ed.
  11. ↑ Elan M. Sudberg, Alkemist Laboratories http://www.alkemist.com
  12. ↑ Elan M. Sudberg, Alkemist Laboratories http://www.alkemist.com
  13. ↑ Schneider, A. (1921) The Microanalysis of Powdered Vegetable Drugs, 2nd ed.
  14. ↑ Schneider, A. (1921) The Microanalysis of Powdered Vegetable Drugs, 2nd ed.
  15. ↑ Schneider, A. (1921) The Microanalysis of Powdered Vegetable Drugs, 2nd ed.
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